<?php
	spl_autoload_register(function($class_name){
		// 类名和文件地址映射成一个关联数组
		$map=array(
			'Goods'	=>	'./aa/Goods.class.php',
			'Book'	=>	'./bb/Book.class.php',
			'Phone'	=>	'./cc/Phone.class.php'
		);

		// 在映射数组中找到就包含
		if(isset($map[$class_name]))
			require $map[$class_name];
	});

	//测试
	$book=new Book();
	$book->setName('Class');
	$phone=new Phone();
	$phone->setName('Phone');
	$book->getName();
	$phone->getName();
?>